Loft conversion specialist Berkshire Thames Valley

Loft Conversions
Thames Valley

Transform your unused loft into a bedroom, bathroom or home office. Fixed-price quotes from £27,500. Dormer, hip-to-gable, Velux and Mansard specialists.

Conversion Types

Which Type Suits Your Property?

Velux / Rooflight

Simplest and most affordable. Roof windows installed without changing the roof shape. Ideal for properties with good headroom.

From £27,500

Dormer

A dormer window projects vertically from the sloping roof creating additional headroom and floor space. Most popular for terraced homes.

From £40,000

Hip-to-Gable

The sloping hip end of the roof is replaced with a vertical gable wall. Common for end-of-terrace and semi-detached homes.

From £45,000

What’s Included

Complete Package, Fixed Price

Free loft survey and headroom assessment
Structural engineer calculations
Building regulations application and sign-off
Party wall notices where required
Steel beam installation where required
Insulation to current building regulations standard
Staircase design and installation
Dormer construction, roofing and weatherproofing
First and second fix electrics
En-suite bathroom installation if required
Plastering, flooring, joinery and decoration
Weekly photo progress reports

FAQs

Loft Conversion Questions

Does my property need planning permission?+

Most loft conversions fall under permitted development provided the volume added does not exceed 40m³ for terraced homes or 50m³ for detached and semi-detached. We assess this at the free survey.

How do I know if my loft is suitable?+

The minimum recommended headroom is 2.2 metres from floor joist to ridge. We measure this at the free survey. Most standard houses built before 1990 in Berkshire have suitable headroom.

How long does a loft conversion take?+

A Velux conversion takes 4–6 weeks. A standard dormer takes 8–12 weeks. Hip-to-gable conversions run 10–14 weeks.

What does a loft conversion cost in Berkshire?+

Velux conversions from £27,500. Dormer conversions from £40,000. Hip-to-gable from £45,000. All prices are fixed and include building regulations, structural engineer and all labour and materials.

Can a loft conversion include a bathroom?+

Yes. An en-suite bathroom is included in most loft conversions we deliver. We assess the plumbing routing at the survey stage.

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